Webster’s Revised Unabridged Dictionary · 1913
Rhusma
Rhus′ma, n. [See Rusma.] A mixtire of caustic lime and orpiment, or tersulphide of arsenic, — used in the depilation of hides. Knight.
Webster’s Revised Unabridged Dictionary · 1913
Rhus′ma, n. [See Rusma.] A mixtire of caustic lime and orpiment, or tersulphide of arsenic, — used in the depilation of hides. Knight.